Week 4
Interactions
Estimating, plotting and interpreting interaction effects
numbers = 1:42
proportion = numbers / length(numbers)
percentage = numbers / length(numbers) * 100
centered = numbers - mean(numbers)
standardised = (numbers - mean(numbers)) / sd(numbers)
squared = numbers^2
cubed = numbers^3
sqRoot = numbers^(1/2)
cubeRoot = numbers^(1/3)
log10 = log10(numbers)
logNat = log(numbers)
expNat = exp(numbers)
expLogNat = exp(LogNat)
odds = proportion / (1-proportion)
logit = log(proportion / (1-proportion))